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Factorial moments are convenient tools in particle physics to characterize the multiplicity distributions when phase-space resolution ($\Delta$) becomes small. They include all correlations within the system of particles and represent…

Statistical Finance · Quantitative Finance 2011-08-31 Laurent Schoeffel

The normalized factorial moments $F_q$ are continued to noninteger values of the order $q$, satisfying the condition that the statistical fluctuations remain filtered out. That is, for Poisson distribution $F_q = 1$ for all $q$. The…

High Energy Physics - Phenomenology · Physics 2009-10-28 R. C. Hwa

We propose to verify relations between quantities which characterize scaling properties of high energy density fluctuations in terms of factorial moments and newly introduced associated frequency moments. Typical examples are presented in…

High Energy Physics - Phenomenology · Physics 2014-11-17 Mikulaas Blazek

Local multiplicity fluctuations are an useful tool to understand the dynamics of the particle production and the phase-space changes from quarks to hadrons in ultrarelativistic heavy-ion collisions. The study of scaling behavior of…

Nuclear Experiment · Physics 2023-07-28 Sheetal Sharma , Ramni Gupta

Large density fluctuations of charged particles are the promising signatures for exploring the QCD phase transition and critical point in heavy ion collisions. These fluctuations are expected to exhibit fractal and scale invariant…

High Energy Physics - Experiment · Physics 2026-05-26 Fakhar Ul Haider , Ramni Gupta , Salman Khurshid Malik , Balwan Singh , Zarina Banoo

A search for power-law fluctuations within the framework of the intermittency method is ongoing to locate the critical point of the strongly interacting matter. In particular, experimental data on proton and pion production in heavy-ion…

Nuclear Theory · Physics 2021-09-07 Subhasis Samanta , Tobiasz Czopowicz , Marek Gazdzicki

The ratio of cumulant to factorial moments of experimental multiplicity distributions has been calculated for $e^{+}e^{-}$ and $hh$ interactions in a wide range of energies. As a function of the rank it exhibits an initial steep decrease…

High Energy Physics - Experiment · Physics 2009-10-22 I. M. Dremin , V. Arena , G. Boca , G. Gianini , S. Malvezzi , M. Merlo , S. P. Ratti , C. Riccardi , G. Salvadori , L. Viola , P. Vitulo

We study the factorial moments (Fq), the factorial cumulants (Kq) and the ratio of Kq to Fq (Hq = Kq=Fq) in pp/pp collisions using an updated approach, in which the multiplicity distribution is related to the eikonal function. The QCD…

High Energy Physics - Phenomenology · Physics 2013-06-19 Paulo Cesar Beggio

We re-analyze the conditions for the phenomenon of intermittency (self-similar fluctuations) to occur in models of multifragmentation. Analyzing two different mechanisms, the bond-percolation and the ERW (Elattari, Richert and Wagner)…

Nuclear Theory · Physics 2008-11-26 D. Lacroix , R. Peschanski

It has been demonstrated that factorial moments analysis in dependence from the size of phase-space cells (when the latter is decreased but is still considerably large), exhibits sensitivity to particle bunching within a system situated in…

Nuclear Theory · Physics 2024-08-28 Valeria Zelina Reyna Ortiz , Maciej Rybczynski , Zbigniew Wlodarczyk

Multifractality of charged particle pseudorapidity distributions is analyzed in central collisions of carbon and copper nuclei at 4.5 GeV/c per nucleon. Within the method of normalized factorial moments, modified to remove the bias of…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. K. Gelovani , G. L. Gogiberidze , E. K. G. Sarkisyan

The effect of momentum resolution on factorial moments due to the power-law correlation function is studied. The study is motivated by the search for the critical point of the strongly interacting matter in heavy-ion collisions using the…

Nuclear Theory · Physics 2021-09-14 Subhasis Samanta , Tobiasz Czopowicz , Marek Gazdzicki

A multidimensional study of local multiplicity fluctuations and multiparticle correlations of hadrons produced in Z decays is performed. The study is based on the data sample of more than 4 million events recorded with the OPAL detector at…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , G. Abbiendi et al

The multiplicity difference correlators between two well-separated bins in high-energy heavy-ion collisions are studied as a means to detect evidence of a first-order quark-hadron phase transition. Analytical expressions for the scaled…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. B. Yang , X. Cai

By means of Factorial Moments(FM), the long-range correlations embedded in gait time series are investigated. It is found that FM is an effective tool to deal with this kind of time series. Keywords: Factorial Moments,Time series,…

Disordered Systems and Neural Networks · Physics 2015-06-24 Huijie Yang , Fangcui Zhao , Yizhong Zhuo , Xizhen Wu

It is suggested that the study of multiplicity difference correlators between two well-separated bins in high-energy heavy-ion collisions can be used as a means to detect evidence of a quark-hadron phase transition. Analytical expressions…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. B. Yang , X. Cai

The ratio of cumulant to factorial moments of multiplicity distribu- tions has been calculated for e+e- and hh data in a wide range of energies. As a function of the rank it exhibits a regular behaviour with a steep descent and two negative…

High Energy Physics - Phenomenology · Physics 2009-09-25 G. Gianini , I. M. Dremin , V. A. Nechitailo , B. B. Levchenko , V. Arena , G. Boca , S. Malvezzi , M. Merlo , S. P. Ratti , C. Riccardi , G. Salvadori , L. Viola , P. Vitulo

{ In this paper we present a natural and comprehensive generalisation of the standard factorial moments ($\clFq$) analysis of a multiplicity distribution. The Generalised Factorial Moments are defined for all $q$ in the complex plane and,…

High Energy Physics - Phenomenology · Physics 2015-06-25 P. Duloos , J. -L. Meunier

It is shown that the ratio of factorial cumulant moments to factorial moments for a multiplicity distribution truncated in the tail reveals oscillations in sign similar to those observed in experimental data. It is suggested that this…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Ugoccioni , A. Giovannini , S. Lupia

The search for remnants of the QCD chiral critical point is a central objective of current and future high-energy ion collision experiments. Previous studies suggest that a scaling law relating higher-order factorial moments of hadron…

High Energy Physics - Phenomenology · Physics 2024-10-01 Athanasios Brofas , Manolis Zampetakis , Fotios Diakonos
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